Phone shutdown @battery just below 20%

[k_huat]

Please tell us some basic information before asking for help:
Model Name: rog phone 5
Firmware Version:
Rooted or not:
Frequency of Occurrence: everytime after the only first time I saw it works at battery 9%
APP Name & APP Version (If your issue relates to the app):
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
========================================
Is it normal for my rog 5 shutdown at battery level about just below 20%?
I saw my phone once works under 10% n it shows a red light notification when it reach 9%, after that I charge my phone everytime before it shutdown.
But recently my rog 5 shutdown at the middle I watch YouTube at battery level somewhere below 20% (everytime in last few days). I thought the battery might drained up coz by watching YouTube; but just now at the middle of replying zentalk my rog 5 shutdown again at battery level somewhere below 20% as well. Is this normal? It seems like I can only occupy the battery between 80-20% only? Thanks
My setting is dynamic n auto for refresh rate.
Ps: pls do not ask me to generate the log as I'm not well versed in tech stuff n I hv no time for it.

[FunBike31]

k_huat

https://zentalk.asus.com/en/discussion/comment/186987#Comment_186987

@ronald1985

Thanks for your advice. Fyi, once it shutdown at +/-20% it won't turn on again.

Yesterday I charge it to only 99% (and keep changing for 10min still remain 99%), n after that it can last for 4hours before it drop to 98%. Is this normal? Normally my consumption of battery is +/-5% an hour, too good to be true it can last for so many hours at 99%?

I'll try charging it to 100% next round. Thanks.

View post

You do not indicate the color of the led when it is at 99% (green, red?)
99% is not too much of a concern, I don't think it will show 100% by leaving it on any longer. it is possible that there is a problem with the statistics and battery data.
it should display 100% and green led about 15min before the real 100% charge, this is normal, it protects the battery if the user unplug the charger as soon as the led is green, the real charge is 95% -96% . it looks like you have a 95% max load slider. The remaining 300mA charges 400mA, decreasing to 0. (avoid doing this). The% indicated by Android will only go down when you have used these ~ 300mA, so it can stay at 100% for several hours if it is on standby.

Normally, android clears the battery stats after 100% charge, if the device continues to indicate 99% you can try the ADB command from a pc.
adb shell dumpsys batterystats --reset

When your device turns off and does not turn on again, plug in your 30s charger and look at the%, if it goes up between 10% and 20% there is a good chance that your battery is a problem, it is the symptom of 'a battery that is 2-4 years old after use.
To be confirmed after having redone the calibration

[k_huat]

FunBike31

https://zentalk.asus.com/en/discussion/comment/187034#Comment_187034

You do not indicate the color of the led when it is at 99% (green, red?)

99% is not too much of a concern, I don't think it will show 100% by leaving it on any longer. it is possible that there is a problem with the statistics and battery data.

it should display 100% and green led about 15min before the real 100% charge, this is normal, it protects the battery if the user unplug the charger as soon as the led is green, the real charge is 95% -96% . it looks like you have a 95% max load slider. The remaining 300mA charges 400mA, decreasing to 0. (avoid doing this). The% indicated by Android will only go down when you have used these ~ 300mA, so it can stay at 100% for several hours if it is on standby.

Normally, android clears the battery stats after 100% charge, if the device continues to indicate 99% you can try the ADB command from a pc.

adb shell dumpsys batterystats --reset

When your device turns off and does not turn on again, plug in your 30s charger and look at the%, if it goes up between 10% and 20% there is a good chance that your battery is a problem, it is the symptom of 'a battery that is 2-4 years old after use.

To be confirmed after having redone the calibration

View post

FunBike31

https://zentalk.asus.com/en/discussion/comment/187034#Comment_187034

You do not indicate the color of the led when it is at 99% (green, red?)

99% is not too much of a concern, I don't think it will show 100% by leaving it on any longer. it is possible that there is a problem with the statistics and battery data.

it should display 100% and green led about 15min before the real 100% charge, this is normal, it protects the battery if the user unplug the charger as soon as the led is green, the real charge is 95% -96% . it looks like you have a 95% max load slider. The remaining 300mA charges 400mA, decreasing to 0. (avoid doing this). The% indicated by Android will only go down when you have used these ~ 300mA, so it can stay at 100% for several hours if it is on standby.

Normally, android clears the battery stats after 100% charge, if the device continues to indicate 99% you can try the ADB command from a pc.

adb shell dumpsys batterystats --reset

When your device turns off and does not turn on again, plug in your 30s charger and look at the%, if it goes up between 10% and 20% there is a good chance that your battery is a problem, it is the symptom of 'a battery that is 2-4 years old after use.

To be confirmed after having redone the calibration

View post

Thanks for your reply. It remains red led at 99%. And when I charge it again after shutdown it shows charging start from 0%. Sorry what is 30s charger? I'm using the provided
Yesterday I notice it shutdown at 17%. I try charging it to only 12% n start using n it, n this time I can use it n see a red blinking led at 9% but shutdown below 8% (should be 7or6%).

[k_huat]

FunBike31

https://zentalk.asus.com/en/discussion/comment/187034#Comment_187034

You do not indicate the color of the led when it is at 99% (green, red?)

99% is not too much of a concern, I don't think it will show 100% by leaving it on any longer. it is possible that there is a problem with the statistics and battery data.

it should display 100% and green led about 15min before the real 100% charge, this is normal, it protects the battery if the user unplug the charger as soon as the led is green, the real charge is 95% -96% . it looks like you have a 95% max load slider. The remaining 300mA charges 400mA, decreasing to 0. (avoid doing this). The% indicated by Android will only go down when you have used these ~ 300mA, so it can stay at 100% for several hours if it is on standby.

Normally, android clears the battery stats after 100% charge, if the device continues to indicate 99% you can try the ADB command from a pc.

adb shell dumpsys batterystats --reset

When your device turns off and does not turn on again, plug in your 30s charger and look at the%, if it goes up between 10% and 20% there is a good chance that your battery is a problem, it is the symptom of 'a battery that is 2-4 years old after use.

To be confirmed after having redone the calibration

View post

Sorry accidentally clicked post before finish typing just now.
Thanks for your reply. It remains red led at 99%. And when I charge it again after shutdown it shows charging start from 0%. Sorry what is 30s charger? I'm using the provided 65w charger.
What should I do now? And can u explain in details how to reset with adb command. Sorry I'm not very good in phone technical stuff.
Yesterday I try charging it to only 12% n start using n it, n this time I can use it n see a red blinking led at 9% but shutdown below 8% (should be 7or6%). And second time I charge it to 32% n I notice it shutdown at 17%. Thanks

[FunBike31]

k_huat

https://zentalk.asus.com/en/discussion/comment/187107#Comment_187107

Sorry accidentally clicked post before finish typing just now.

Thanks for your reply. It remains red led at 99%. And when I charge it again after shutdown it shows charging start from 0%. Sorry what is 30s charger? I'm using the provided 65w charger.

What should I do now? And can u explain in details how to reset with adb command. Sorry I'm not very good in phone technical stuff.

Yesterday I try charging it to only 12% n start using n it, n this time I can use it n see a red blinking led at 9% but shutdown below 8% (should be 7or6%). And second time I charge it to 32% n I notice it shutdown at 17%. Thanks

View post

désolé pour , "30 s", j'ai abrégé, 30 secondes, ce n'est pas un modèle de chargeur mais le temps.
Si vous n'avez pas d'autre chargeur, configurer la charge ultra lente, sinon, utiliser un chargeur 2A standard, la charge sera plus lente mais beaucoup plus sûre pour la durée de vie de la batterie.
Pour l'instant, j'essaie de trouver de la documentation sur le type de charge QC5 et le 20 vols du chargeur du rog5 pour voir l'impact sur la durée de vie de la batterie.
Il semble qu'il y est 4 éléments, séparé en 2 modules de 3000 mHa, en LiPo HS, soit 3.8v*4, cela fait 15.2 volts maxi en théorie avant d'être très dangereux pour la batterie, 20 vols est absolument énorme, le rog 5 demande d'ailleurs moins, entre 16 et 17, mais c'est encore beaucoup.

[k_huat]

FunBike31

https://zentalk.asus.com/en/discussion/comment/187153#Comment_187153

désolé pour , "30 s", j'ai abrégé, 30 secondes, ce n'est pas un modèle de chargeur mais le temps.

Si vous n'avez pas d'autre chargeur, configurer la charge ultra lente, sinon, utiliser un chargeur 2A standard, la charge sera plus lente mais beaucoup plus sûre pour la durée de vie de la batterie.

Pour l'instant, j'essaie de trouver de la documentation sur le type de charge QC5 et le 20 vols du chargeur du rog5 pour voir l'impact sur la durée de vie de la batterie.

Il semble qu'il y est 4 éléments, séparé en 2 modules de 3000 mHa, en LiPo HS, soit 3.8v*4, cela fait 15.2 volts maxi en théorie avant d'être très dangereux pour la batterie, 20 vols est absolument énorme, le rog 5 demande d'ailleurs moins, entre 16 et 17, mais c'est encore beaucoup.

View post

Thanks for replying. Sorry I don't understand french, but I use Google translate n hope don't get u wrong for what u written.
I'll get a old model 2A charger for the time being. Thanks